On Thu, Dec 13, 2012 at 11:26 AM, csn233 <csn233@xxxxxxxxx> wrote: > > On Thu, Dec 13, 2012 at 10:01 AM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote: >> On 13.12.2012 14:45, csn233 wrote: >>> >>> I'm testing Squid 3.2.3 and seem to be encountering some sort of >>> "timeout" problem on browsers. When left idle for long periods >>> (hours), Firefox and IE9 seem to "lose" the connection, and can only >>> be resolved by restarting the browser. >>> >>> The squid.conf is more or less the standard copy from the >>> installation, and I have not added anything that looks like a >>> "timeout" parameter. I've never seen this in previous versions I've >>> used, 2.6 and 3.1. >>> >>> What might it be? >> >> >> * it might be browser loosing a connection object internally >> * it might be HTTP/1.1 handling issues in either browser or Squid >> * it might be TCP timeouts in the network stack of any device between >> browser and Squid >> * it might be NAT timeouts in any device between browser and Squid >> * it might be ARP table timeouts on any device between browser and Squid >> >> All of these are possibilities in 3.2 where HTTP/1.1 is use between Browser >> and Squid. But not in the older versions where HTTP/1.0 is used. As >> side-effects of HTTP 1.1 vs 1.0 keep-alive behaviour. >> >> Amos >> > Thanks for replying. > > Since I'm testing on the same network/systems where I also have other > Squid versions running (plus numerous other applications), it is > probably reasonable to rule out TCP/NAT/ARP, since the problem is not > seen elsewhere. > > If we narrow it down to the first 2 items (connection object or > HTTP/1.1), what options are available to prevent the "timeout"? > Unless your other Squid versions are 3.2, they are not using persistent connections, that means you can't rule out TCP or NAT timeouts. If I were you I would check this by writing a script that opens a persistent HTTP/1.1 connection to some host on the Internet and see what happens. Alan PS: A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail?
